20 APR 2009 (110)
ot = 07:22:42.17 +/- 0.35 RYUKYU ISLANDS, JAPAN
lat = 27.072 +/- 7.0
lon = 129.749 +/- 6.9 MAGNITUDE 5.3 (GS)
dep = 40.0 (assigned)
230 km (145 miles) ENE of Naha, Okinawa, Japan
510 km (315 miles) S of Kagoshima, Kyushu, Japan
565 km (350 miles) SSW of Miyazaki, Kyushu, Japan
1350 km (840 miles) SW of TOKYO, Japan
nph = 63 of 70 se = 1.58 FE=238 A
error ellipse = (136.6, 0.0, 10.8; 46.6, 0.0, 7.0; 0.0, 0.0, 0.0)
mb = 5.3 ( 45) ML = 0.0 ( 0) mblg = 3.8 ( 8) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
NACB ePn 07:24:32.03 -2.6 7.9 250 L:9.0-2 3.4 4.3X g:2.0-2 1.0 3.1 NACB
eSn 07:26:01.33 S res = -1.5X
TATO ePb 07:24:33.39 1.4 7.7 256 L:3.2-1 3.0 4.8X g:5.0-2 1.3 3.4 TATO
YHNB ePn 07:24:34.15 -0.6 7.9 254 d:1.3+2 6.4X L:3.3-1 .70 4.9X YHNB
g:2.4-1 .85 4.3 b:2.0+2 .70 6.2X
YULB ePn 07:24:39.11 -3.4 8.5 246 d:8.5+1 6.3X L:9.7-2 .60 4.5X YULB
eSn 07:26:15.47 S res = -1.6X g:5.5-2 .80 3.7 b:5.3+1 .60 5.8X
SSLB ePn 07:24:40.20 -3.9 8.6 250 L:6.0-2 2.9 4.3X g:2.0-2 1.0 3.2 SSLB
eSn 07:26:17.32 S res = -2.5X
TWG ePn 07:24:45.69 -3.1 8.9 244 d:9.3+0 4.5X L:3.4-1 .55 5.1X TWG
eSn 07:26:28.52 S res = 0.3X g:2.1-1 .70 4.4 b:1.8+2 .55 6.4X
TPUB ePn 07:24:49.70 -0.9 9.1 248 TPUB
ERM P 07:26:54.58 -0.5 18.5 33 g:3.3-2 1.1 3.9 b:2.0+1 .85 4.3 ERM
KKM eP 07:28:00.75 2.2 24.6 214 b:1.4+2 1.4 5.3 KKM
ULN eP 07:28:21.47 -1.6 27.3 325 ULN
CHTO eP 07:28:44.48 1.9 29.5 260 b:5.5+1 1.0 5.2 CHTO
CM31 P 07:28:47.87 4.1X 29.6 260 g:4.4-2 1.1 4.3 b:4.8+0 .35 4.6 CM31
KSM P 07:29:02.96 2.0 31.6 219 b:1.5+1 .95 4.8 KSM
KULM eP 07:29:35.05 2.5 35.2 237 b:8.2+1 1.3 5.5 KULM
IPM eP 07:29:36.52 2.3 35.4 236 b:8.5+1 1.3 5.5 IPM
UGM eP 07:30:10.41 1.7 39.5 211 UGM
MK31 e 07:30:28.57 -0.9 42.0 311 MK31
ZAA0 e 07:30:31.52 -1.2 42.4 322 ZAA0
COEN eP 07:30:36.07 -0.2 42.8 161 b:5.8+2 1.7 6.0 COEN
KURK eP 07:30:53.58 -1.2 45.2 316 b:2.2+1 .90 5.0 KURK
TKM2 eP 07:31:05.00 0.7 46.3 305 TKM2
WRAB P 07:31:08.02 -1.1 46.9 174 b:2.8+1 1.1 5.1 WRAB
AAK P 07:31:13.07 2.5 47.1 304 b:2.7+1 .95 5.2 AAK
EKS2 eP 07:31:21.80 7.2X 47.6 304 b:3.6+0 .90 4.4 EKS2
MBWA eP 07:31:24.72 0.4 48.9 192 b:4.2+1 1.1 5.4 MBWA
CTAO eP 07:31:28.53 -0.6 49.5 159 b:3.7+1 .90 5.4 CTAO
KKAR eP 07:31:34.00 1.1 50.0 305 KKAR
BRVK eP 07:31:36.59 -0.5 50.6 318 b:3.9+1 .90 5.4 BRVK
AS31 P 07:31:37.02 -0.1 50.6 175 AS31
GAMB P 07:31:45.00 -4.0X 52.2 29 b:3.6+1 1.3 5.2 GAMB
KBL eP 07:31:49.53 1.6 52.0 294 b:2.1+2 1.6 5.9 KBL
TNA P 07:32:04.56 0.7 54.3 27 b:5.6+1 1.1 5.5 TNA
ABKAReP 07:32:24.40 0.2 57.1 313 ABKA
FORT P 07:32:27.85 0.2 57.5 182 b:2.6+1 .80 5.3 FORT
STKA eP 07:32:42.35 -0.3 59.7 168 STKA
BBOO eP 07:32:43.27 -0.4 59.9 174 BBOO
KDAK P 07:32:50.00 -1.5 61.0 37 b:6.0+1 1.2 5.6 KDAK
PPLA P 07:32:50.22 -0.3 60.9 31 b:1.1+2 1.5 5.7 PPLA
SPU eP 07:32:50.65 -0.9 61.0 33 SPU
NWAO P 07:32:50.89 0.5 60.8 192 b:4.4+1 1.3 5.4 NWAO
RSO eP 07:32:51.11 1.4 60.7 34 RSO
COLD P 07:32:53.86 -0.8 61.5 26 b:7.4+1 2.0 5.5 COLD
TRF P 07:32:54.44 -1.7 61.7 30 b:3.5+1 1.4 5.3 TRF
MCK P 07:32:58.66 -1.2 62.3 30 b:6.4+1 1.1 5.6 MCK
PMR e 07:32:58.87 -1.7 62.4 32 b:3.1+1 1.2 5.3 PMR
COLA P 07:33:01.14 -1.0 62.6 28 b:1.4+1 1.0 5.0 COLA
SML e 07:33:02.04 -1.0 62.7 32 b:1.1+1 1.2 4.8 SML
SEW P 07:33:02.46 1.8 62.4 34 b:4.8+1 1.0 5.6 SEW
PAX e 07:33:09.76 -1.0 63.9 30 b:2.3+1 1.0 5.2 PAX
DIV P 07:33:11.52 -0.3 64.1 32 b:5.0+1 1.1 5.5 DIV
BMRM e 07:33:14.86 -0.7 64.6 33 b:7.0+1 1.1 5.6 BMRM
MENT e 07:33:15.17 -0.8 64.7 30 MENT
MSVF P 07:33:16.05 -0.1 64.6 128 b:3.4+1 1.2 5.3 MSVF
EGAK P 07:33:19.22 -1.6 65.5 28 b:7.4+0 .75 4.8 EGAK
PNL P 07:33:36.30 2.6 67.5 33 b:4.2+1 1.1 5.4 PNL
KBS P 07:33:43.91 3.0 68.7 349 b:1.7+1 1.0 5.0 KBS
GNI P 07:33:49.46 2.5 69.5 305 b:6.0+1 1.1 5.5 GNI
DLBC P 07:34:04.44 0.2 72.4 33 DLBC
MALT P 07:34:20.44 2.2 74.7 305 b:3.8+1 1.0 5.3 MALT
BR131P 07:34:35.52 1.1 77.6 308 b:1.1+1 .83 4.9 BR13
SUW P 07:34:35.78 2.0 77.6 325 b:3.5+1 .55 5.6 SUW
NEW P 07:35:08.50 -0.4 84.1 38 b:1.2+1 1.2 4.9 NEW
JTMT P 07:35:18.28 -0.1 86.0 37 b:1.1+1 1.2 4.9 JTMT
CHMT P 07:35:23.31 -0.4 87.0 38 b:3.1+0 1.0 4.5 CHMT
HRY P 07:35:27.84 0.0 87.9 37 b:6.6+0 .62 5.1 HRY
LRM P 07:35:28.96 -0.1 88.1 38 b:7.7+1 1.2 5.8 LRM
Generated 2009 APR 20 at 07:38 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
